Home / 263,056.95-394,689.65-136,776.83

Finding the Fourth Proportional to 263,056.95, 394,689.65 and 136,776.83

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Solution

The fourth proportional to 263,056.95, 394,689.65 and 136,776.83 is: 205,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,056.95 : 394,689.65 = 136,776.83 : x
  2. Step 2: Convert to fraction form
    263,056.95/394,689.65 = 136,776.83/x
  3. Step 3: Cross multiply
    263,056.95x = 394,689.65 × 136,776.83
  4. Step 4: Simplify right side
    263,056.95x = 53,984,396,503.48
  5. Step 5: Solve for x
    x = 53,984,396,503.48/263,056.95
  6. Step 6: Final answer
    x = 205,219.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.